121155062 has 16 divisors (see below), whose sum is σ = 208154112. Its totient is φ = 51808680.

The previous prime is 121155061. The next prime is 121155109. The reversal of 121155062 is 260551121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121155061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 15827.

It is an arithmetic number, because the mean of its divisors is an integer number (13009632).

Almost surely, 2^121155062 is an apocalyptic number.

121155062 is a deficient number, since it is larger than the sum of its proper divisors (86999050).

121155062 is a wasteful number, since it uses less digits than its factorization.

121155062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19163.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 121155062 is about 11007.0460160753. The cubic root of 121155062 is about 494.8199351865.

The spelling of 121155062 in words is "one hundred twenty-one million, one hundred fifty-five thousand, sixty-two".